X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=src-mcl%2Fstrings.cl;h=12ff2acef65714503408c900c08614a326d32fa9;hb=e17a00289f90e820823ae17546eb5374e8f056e0;hp=ccf6b5d1cacd4277bed06e11c52eebfac726c563;hpb=42959dafb9978c35da14915bc078fb96c1183347;p=uffi.git diff --git a/src-mcl/strings.cl b/src-mcl/strings.cl index ccf6b5d..12ff2ac 100644 --- a/src-mcl/strings.cl +++ b/src-mcl/strings.cl @@ -7,7 +7,7 @@ ;;;; Programmers: Kevin M. Rosenberg and John DeSoi ;;;; Date Started: Feb 2002 ;;;; -;;;; $Id: strings.cl,v 1.1 2002/09/16 17:57:43 kevin Exp $ +;;;; $Id: strings.cl,v 1.2 2002/09/20 04:51:14 kevin Exp $ ;;;; ;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg ;;;; and John DeSoi @@ -194,5 +194,16 @@ that CMU automatically converts strings from c-calls." + +(defmacro with-foreign-string ((foreign-string lisp-string) &body body) + (let ((result (gensym))) + `(let* ((,foreign-string (convert-to-foreign-string ,lisp-string)) + (,result (progn ,@body))) + (declare (dynamic-extent ,foreign-string)) + (free-foreign-object ,foreign-string) + ,result))) + + +